Add more animations, add AggregatePixels helper.

LICENSE

@@ -1,6 +1,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2017 Adam Patt
+Copyright (c) 2019-2020 Roy Hooper, Kattni Rembor
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

adafruit_led_animation/__init__.py

@@ -1,5 +1,49 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2020 Roy Hooper
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
 """
-Adafruit LED Animation library.
+Timing for Adafruit LED Animation library.
+
+Author(s): Roy Hooper
 """
 
-NANOS_PER_SECOND = 1000000000
+try:
+    from micropython import const
+except ImportError:
+
+    def const(value):  # pylint: disable=missing-docstring
+        return value
+
+
+try:
+    from time import monotonic_ns
+except ImportError:
+    import time
+
+    def monotonic_ns():
+        """
+        Implementation of monotonic_ns for platforms without time.monotonic_ns
+        """
+        return int(time.time() * NANOS_PER_SECOND)
+
+
+NANOS_PER_SECOND = const(1000000000)
+NANOS_PER_MS = const(1000000)